/*书籍页面*/
.book {
  /*头部区域开始*/
  /*头部区域结束*/
  /*主要内容区域开始*/
  /*主要内容区域结束*/
  /**/
  /*底部内容结束*/
  /*底部内容结束*/
}
.book .header .topbar {
  color: #8d8d8d;
  background: #f6f6f6;
  width: 100%;
  height: 35px;
  line-height: 35px;
  font-size: 12px;
}
.book .header .topbar .topbarL {
  float: left;
}
.book .header .topbar .topbarL a {
  color: #8d8d8d;
}
.book .header .topbar .topbarR {
  float: right;
}
.book .header .nav {
  background: #021E81;
}
.book .header .nav .ul {
  display: flex;
}
.book .header .nav .ul .li {
  cursor: pointer;
  padding: 0 15px;
  height: 50px;
  line-height: 50px;
  transition: all 0.8s;
}
.book .header .nav .ul .li a {
  color: #fff;
}
.book .header .nav .ul .liF {
  font-weight: bold;
  background: #414DFE;
}
.book .header .nav .ul .li:hover {
  font-weight: bold;
  background: #414DFE;
}
.book .header .banner {
  width: 100%;
}
.book .header .banner .Img {
  width: 100%;
  display: flex;
  flex-direction: column;
}
.book .header .banner .Img img {
  width: 100%;
  height: auto;
  margin: 0;
  border: none;
}
.book .main .title {
  padding: 26px 0;
  box-sizing: border-box;
  border-bottom: 1px solid #D9D9D9;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-gap: 0 20px;
}
.book .main .title h3 {
  font-size: 24px;
}
.book .main .title ul {
  display: flex;
}
.book .main .title ul li {
  margin-left: 10px;
  padding: 0 10px;
  box-sizing: border-box;
  font-size: 14px;
  line-height: 26px;
  cursor: pointer;
  border-radius: 5px;
}
.book .main .title ul li:hover {
  color: #fff;
  background: #00C9A7;
}
.book .main .title ul .li_first {
  color: #fff;
  background: #00C9A7;
}
.book .main .book_li {
  margin-top: 50px;
  border-bottom: 1px solid #D9D9D9;
  padding-bottom: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.book .main .book_li .book_L .Title {
  margin-bottom: 26px;
  font-size: 30px;
}
.book .main .book_li .book_L p {
  font-size: 14px;
  line-height: 24px;
  color: #333333;
}
.book .main .book_li .book_L span {
  display: block;
  margin: 24px 0;
}
.book .main .book_li .book_L .Btm {
  margin-top: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  grid-template-rows: 45px;
  grid-gap: 0 30px;
}
.book .main .book_li .book_L .Btm a {
  font-size: 14px;
  line-height: 45px;
  display: block;
  text-align: center;
  color: #3688FF;
  border: 1px solid #3688FF;
  border-radius: 5px;
}
.book .main .book_li .book_L .Btm a:hover {
  color: #fff;
  background: #3688FF;
}
.book .main .book_li .book_R {
  position: relative;
}
.book .main .book_li .book_R .BoxImg {
  width: 420px;
  height: 220px;
  background: #fff;
  position: absolute;
  top: 40px;
  left: 50%;
  transform: translateX(-50%);
  box-shadow: 0px 2px 22px 0px rgba(0, 0, 0, 0.17);
  z-index: 99;
}
.book .main .book_li .book_R .BoxImg .Img {
  position: absolute;
  top: -20px;
  left: 20px;
  width: 150px;
}
.book .main .book_li .book_R .BoxImg .Img img {
  width: 100%;
  height: auto;
}
.book .main .book_li .book_R .BoxImg .BoxImg_R {
  position: absolute;
  right: 40px;
  top: 50%;
  transform: translateY(-50%);
}
.book .main .book_li .book_R .BoxImg .BoxImg_R::after {
  content: "";
  position: absolute;
  left: 0;
  top: -10px;
  width: 30px;
  height: 3px;
  background: #ec410b;
}
.book .main .book_li .book_R .BoxImg .BoxImg_R p {
  font-size: 14px;
  line-height: 30px;
  color: #4A4A4A;
}
.book .main .book_li .book_R .BoxImg .BoxImg_R p span {
  font-size: 18px;
  color: #F12559;
  font-weight: bold;
}
.book .main .book_li .book_R .BJImg {
  position: absolute;
  top: 0;
  width: 100%;
}
.book .main .book_li .book_R .BJImg img {
  width: 100%;
  height: auto;
}
.book .footer {
  overflow: hidden;
  margin-top: 50px;
  background: #276DC3;
}
.book .footer .nav {
  display: flex;
}
.book .footer .nav .navLi {
  cursor: pointer;
  color: #fff;
  display: inline-block;
  height: 95px;
  line-height: 95px;
  font-size: 20px;
  padding: 0 15px;
  box-sizing: border-box;
}
.book .footer .nav .navLiA {
  background: #FF7403;
}
.book .footer .main {
  padding: 20px 0;
  box-sizing: border-box;
  display: grid;
  grid-template-columns: 715px 1fr;
}
.book .footer .main .main_left ul li {
  font-size: 16px;
  text-align: left;
  color: #fff;
  font-weight: 100;
  line-height: 28px;
}
.book .footer .main .main_left ul li span {
  color: #ff7403;
  font-size: 26px;
}
.book .footer .main .main_right {
  padding-left: 20px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
}
.book .footer .main .main_right .box {
  text-align: center;
  font-size: 14px;
  color: #fff;
}
.book .footer .main .main_right .box .img {
  margin: 0 auto;
  width: 120px;
  height: 120px;
  padding: 3px;
  box-sizing: border-box;
  margin-bottom: 20px;
  background: #fff;
}
.book .footer .main .main_right .box .img img {
  width: 100%;
  height: auto;
}
